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Stretch Valve Balloon Catheter and Methods for Producing and Using Same
专利权人:
发明人:
Leonard Pinchuk,Gary A. Kalser,Gregory L. Mayback
申请号:
US14702273
公开号:
US20150238738A1
申请日:
2015.05.01
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A method for manufacturing a safety catheter includes a flexible, multi-lumen shaft having a drain lumen draining fluid adjacent a distal tip of the shaft out a proximal drain end of the shaft and an inflation lumen. A hollow balloon portion has an inflation port fluidically connecting the inflation lumen to the balloon interior to inflate the balloon outwardly larger than a diameter of the shaft. The drain lumen is fluidically connected to the balloon interior by a drainage port. A hollow stretch valve in the drain lumen prevents fluid from passing through the drainage port in a steady state and permits fluid to pass therethrough in a stretched state when the shaft is stretched. Distal of a proximal end of the stretch valve, the shaft has a stretching extent that is relatively more stretchable than at least a portion of the shaft that is proximal of the stretching extent.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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